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VOL. 6, ISSUE 4 (2021)
Evaluation of host plant resistance traits in certain genotypes of maize (Zea mays l.) against maize spotted stem borer (Chilopartellus swinhoe, Crambidae)
Authors
Manish K Yadav, Lipsa Dash, Sandeep Rout
Abstract
Host plant Resistance always been among the most sustainable and eco-friendly insect-pests management tactics. The beauty of Host Plant Resistance lies in its ability to manage pests in very unique way and allowing to be incorporated with other quick action techniques of pest management. In the curiosity of finding morphological traits associated with susceptibility levels, an experiment has been conducted with a total number of 25 evolutionary and highly adopted maize genotypes for evaluating their traits related to insect resistance. Genotypes namely hybrids viz., Shaktiman-1, Shaktiman-2, Shaktiman-3, Shaktiman-4, Shaktiman-5, RHM-1, RHM-2, RHM-3, P-3535, P-3533, P-3550, P-3555, Dekalb-9188, Dekalb-9170, composite namely Devaki, Laxmi, Suwan, Deep Jwala and promising genotypes namely New Cross 76×11, New Cross 72×70, New Cross 73×11, New Cross 73×74, New Cross 52×65, New Cross 53×52 and New Cross 50×58 were assessed for their morphological attributes against Chilopartellus. Among all the tested attributes, the maximum correlation with infestation was recorded in Plant Height (-0.797) followed by Leaf Angle (-0.676), Trichome Length (0.498) and Trichome Density (-0.451). These attributes of maize were found significantly associated with infestation levels of Chilopartellus and considered to be the infestation governing factors in maize genotypes for the given test insect.
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Pages:64-69
How to cite this article:
Manish K Yadav, Lipsa Dash, Sandeep Rout "Evaluation of host plant resistance traits in certain genotypes of maize (<em>Zea mays </em>l.) against maize spotted stem borer (<em>Chilopartellus </em>swinhoe, Crambidae) ". International Journal of Entomology Research, Vol 6, Issue 4, 2021, Pages 64-69
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